US20130200694A1 - Battery comprising an Integrated Pulse Width Modulation Inverter - Google Patents

Battery comprising an Integrated Pulse Width Modulation Inverter Download PDF

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Publication number
US20130200694A1
US20130200694A1 US13/641,456 US201113641456A US2013200694A1 US 20130200694 A1 US20130200694 A1 US 20130200694A1 US 201113641456 A US201113641456 A US 201113641456A US 2013200694 A1 US2013200694 A1 US 2013200694A1
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US
United States
Prior art keywords
battery
pulse
input
controlled inverter
pole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/641,456
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English (en)
Inventor
Stefan Butzmann
Holger Fink
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Robert Bosch Battery Systems GmbH
Samsung SDI Co Ltd
SB LiMotive Co Ltd
Original Assignee
SB LiMotive Germany GmbH
SB LiMotive Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SB LiMotive Germany GmbH, SB LiMotive Co Ltd filed Critical SB LiMotive Germany GmbH
Assigned to SB LIMOTIVE COMPANY LTD., SB LIMOTIVE GERMANY GMBH reassignment SB LIMOTIVE COMPANY LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BUTZMANN, STEFAN, FINK, HOLGER
Publication of US20130200694A1 publication Critical patent/US20130200694A1/en
Assigned to SAMSUNG SDI CO., LTD., ROBERT BOSCH GMBH reassignment SAMSUNG SDI CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SB LIMOTIVE CO. LTD., SB LIMOTIVE GERMANY GMBH
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/19—Switching between serial connection and parallel connection of battery modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to a battery comprising an integrated pulse-controlled inverter and to an electric motor vehicle comprising a battery of this kind.
  • FIG. 1 illustrates the basic circuit diagram of a conventional electric drive system as is used, for example, in electric and hybrid vehicles or else in stationary applications, such as for rotor blade adjustment of wind power installations.
  • a battery 10 is connected to a DC voltage intermediate circuit which is buffered by a capacitor 11 .
  • a pulse-controlled inverter 12 is connected to the DC voltage intermediate circuit and provides sinusoidal voltages, which are phase-offset with respect to one another, for operating an electric drive motor 13 at three outputs by means of in each case two switchable semiconductor valves and two diodes.
  • the capacitance of the capacitor 11 has to be large enough to stabilize the voltage in the DC voltage intermediate circuit for a period of time in which one of the switchable semiconductor valves is connected.
  • FIG. 2 shows the battery 10 of FIG. 1 in a detailed block diagram.
  • a large number of battery cells are connected in series and optionally additionally in parallel in order to achieve a high output voltage and battery capacitance which is desired for a respective application.
  • a charging and disconnection device 16 is connected between the positive pole of the battery cells and a positive battery terminal 14 .
  • a disconnection device 17 can optionally additionally be connected between the negative pole of the battery cells and a negative battery terminal 15 .
  • the disconnection and charging device 16 and the disconnection device 17 each comprise a contactor 18 and, respectively, 19 which are provided for disconnecting the battery cells from the battery terminals in order to switch the battery terminals such that they are at zero potential.
  • a charging contactor 20 with a charging resistor 21 which is connected in series to the charging contactor 20 is additionally provided in the charging and disconnection device 16 .
  • the charging resistor 21 limits a charging current for the capacitor 11 when the battery is connected to the DC voltage intermediate circuit.
  • the contactor 18 is initially left open and only the charging contactor 20 is closed. If the voltage across the positive battery terminal 14 reaches the voltage of the battery cells, the contactor 19 can be closed and the charging contactor 20 may be opened.
  • the contactors 18 , 19 and the charging contactor 20 increase the costs of a battery 10 to a considerable extent since stringent requirements are made of them in respect of reliability and the currents to be carried by them.
  • the invention introduces a battery comprising at least one battery cell line which has a plurality of battery cells which are connected in series between a respective positive battery pole and a respective negative battery pole.
  • the battery comprises a pulse-controlled inverter which is integrated in the battery and has at least a first and a second input and also at least one output.
  • the first and the second input of the pulse-controlled inverter are connected to the positive battery pole and, respectively, to the negative battery pole.
  • the invention therefore opposes a trend of integrating the pulse-controlled inverter in the electric drive motor and therefore of allowing the drive motor to appear from the outside to be a DC motor which can be connected directly to a buffer capacitor and a battery.
  • Integrating the pulse-controlled inverter in the battery has the advantage that the contactors provided in the prior art can be dispensed with because the high DC voltage of the battery cell line is no longer accessible from outside the battery. Instead of opening the contactors according to the prior art, the output of the pulse-controlled inverter can simply be connected to a high impedance, as a result of which the output of the pulse-controlled inverter and therefore all the outputs of the battery can be switched to zero potential without additional components. Since the battery cell line is permanently connected to the pulse-controlled inverter, any buffer capacitor which may be present will, in principle, have the voltage of the battery cell line, and therefore the charging contactor can be dispensed with too. If a buffer capacitor of this kind is provided, it preferably has a first capacitor terminal, which is connected to the positive battery pole, and a second capacitor terminal, which is connected to the negative battery pole, and is likewise integrated in the battery.
  • the pulse-controlled inverter can have n outputs, where n is natural number greater than 1.
  • the pulse-controlled inverter is designed to generate and output a sinusoidal voltage at each of the outputs, said sinusoidal voltage being phase-shifted with respect to the respectively other outputs.
  • the number n is preferably 3, in order to provide a suitable interface to the rotating-field motors which are usual in the prior art.
  • the battery can have n battery cell lines, with the pulse-controlled inverter having n pairs of inputs, in each case one pair of said pairs of inputs being connected to the positive or negative battery pole of an associated one of the n battery cell lines.
  • the number of DC voltage intermediate circuits equals the number of outputs of the pulse-controlled inverter provided. This provides the advantage that buffer capacitors can have smaller dimensions or be dispensed with completely.
  • the capacitance of the battery is divided between a plurality of independent battery cell lines, as a result of which compensation currents no longer occur between the battery cells or battery cell lines which are otherwise connected in parallel.
  • the pulse-controlled inverter can contain n first semiconductor valves and n second semiconductor valves, with in each case one of the n first semiconductor valves being connected between an associated first input of a pair of inputs and a respective one of the n outputs, and in each case one of the n second semiconductor valves being connected between the respective one of the n outputs and an associated second input of the pair of inputs.
  • the battery can also have 2*n diodes, in each case one of said diodes being connected back-to-back in parallel to one of the n first or n second semiconductor valves.
  • Pulse-controlled inverters of this kind can be controlled, for example, in a known manner by pulse-width modulation.
  • the battery can have a cooling apparatus which is designed to cool both the battery cells and the pulse-controlled inverter. Since the pulse-controlled inverter is integrated in the battery, the additional expenditure for cooling in each case the pulse-controlled inverter and battery cells is dispensed with. In this case, the pulse-controlled inverter can advantageously be cooled in series after the battery cells are cooled since the pulse-controlled inverter can reach higher temperatures than the battery cells and therefore, after flowing through the battery cell lines, the coolant is still cool enough to cool the pulse-controlled inverter too.
  • the battery cells are particularly preferably lithium-ion battery cells.
  • Lithium-ion battery cells have the advantages of a high cell voltage and a particularly high capacitance by volume.
  • a second aspect of the invention relates to a motor vehicle comprising an electric drive motor for driving the motor vehicle and comprising a battery, which is connected to the electric drive motor, according to the first aspect of the invention.
  • FIG. 1 shows an electric drive system according to the prior art
  • FIG. 2 shows a block circuit diagram of a battery according to the prior art
  • FIG. 3 shows a first exemplary embodiment according to the invention
  • FIG. 4 shows a second exemplary embodiment of the invention.
  • FIG. 3 shows a first exemplary embodiment of the invention.
  • a battery line 31 , a buffer capacitor 32 and a pulse-controlled inverter 33 are integrated in the battery 30 , with any contactors for disconnecting the positive and negative pole of the battery line being dispensed with.
  • the pulse-controlled inverter 33 is advantageously designed to connect all its outputs to high impedance when, for example, the battery 30 is intended to be replaced and therefore is intended to be disconnected from a drive motor or the like which is connected to the pulse-controlled inverter 33 . In this way, the battery 30 is completely at zero potential with respect to the outside, and therefore there is no potential for injury.
  • FIG. 4 a second exemplary embodiment of the invention.
  • the battery 40 has a plurality of battery lines, in the shown example three battery lines 41 - 1 , 41 - 2 , 41 - 3 .
  • the battery 40 could also have two or more than three battery lines.
  • the number of three battery lines is advantageous because it allows simple connection of the battery 40 to standardized electric motors with three phase connections.
  • the pulse-controlled inverter 43 is likewise broken down into as many parts 43 - 1 , 43 - 2 , 43 - 3 as there are battery lines 41 - 1 , 41 - 2 , 41 - 3 .
  • each part 43 - 1 , 43 - 2 , 43 - 3 of the pulse-controlled inverter 43 contains two semiconductor valves and two diodes which are connected back-to-back in parallel to the semiconductor valves.
  • the semiconductor valves are preferably controlled by a control unit by pulse-width modulation.
  • any desired forms of pulse-controlled inverters can be used in principle.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
US13/641,456 2010-04-16 2011-02-18 Battery comprising an Integrated Pulse Width Modulation Inverter Abandoned US20130200694A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010027856.4 2010-04-16
DE102010027856.4A DE102010027856B4 (de) 2010-04-16 2010-04-16 Batterie mit integriertem Pulswechselrichter
PCT/EP2011/052410 WO2011128140A2 (de) 2010-04-16 2011-02-18 Batterie mit integriertem pulswechselrichter

Publications (1)

Publication Number Publication Date
US20130200694A1 true US20130200694A1 (en) 2013-08-08

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ID=44625319

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Application Number Title Priority Date Filing Date
US13/641,456 Abandoned US20130200694A1 (en) 2010-04-16 2011-02-18 Battery comprising an Integrated Pulse Width Modulation Inverter

Country Status (6)

Country Link
US (1) US20130200694A1 (ko)
EP (1) EP2558328A2 (ko)
KR (1) KR101451855B1 (ko)
CN (1) CN102844221B (ko)
DE (1) DE102010027856B4 (ko)
WO (1) WO2011128140A2 (ko)

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US9434261B2 (en) 2011-10-17 2016-09-06 Robert Bosch Gmbh Welded contactor checking systems and methods
US9045052B2 (en) 2011-10-31 2015-06-02 Robert Bosch Gmbh Parallel configuration of series cells with semiconductor switching
DE102012210602A1 (de) * 2012-06-22 2013-12-24 Robert Bosch Gmbh Batterie mit mindestens einer halbleiterbasierten Trenneinrichtung
DE102013204507A1 (de) * 2013-03-15 2014-10-02 Robert Bosch Gmbh Elektrisch eigensicheres Batteriemodul mit umpolbarer Ausgangsspannung und Verfahren zur Überwachung eines Batteriemoduls

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US5146149A (en) * 1985-12-05 1992-09-08 Nilssen Ole K Automotive-type storage battery with built-in charger
US4920475A (en) * 1988-03-07 1990-04-24 California Institute Of Technology Integrated traction inverter and battery charger apparatus
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KR20130010011A (ko) 2013-01-24
DE102010027856A1 (de) 2011-10-20
WO2011128140A2 (de) 2011-10-20
DE102010027856B4 (de) 2023-12-14
CN102844221B (zh) 2015-09-30
EP2558328A2 (de) 2013-02-20
WO2011128140A3 (de) 2011-12-08
CN102844221A (zh) 2012-12-26
KR101451855B1 (ko) 2014-10-16

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